https://0xcd80.wordpress.com/2011/04/29/linux-x86-shellcodin...
https://code.google.com/p/alpha3/
const char main[] = "UH\x89\xe5\xb8\1\0\0\0\xbb\1\0\0\0g\x8d" "5\x10\0\0\0\xba\r\0\0\0\xf\5\xb8\x3c\0\0\0" "1\xdb\xf\5Hello World!\n]\xc3";
https://0xcd80.wordpress.com/2011/04/29/linux-x86-shellcodin...
https://code.google.com/p/alpha3/